YX4740
YX4740 (Republic Airways) is a multi-stop service on 18 routes, busiest Chicago to Indianapolis. Of 592 departures recorded from November 2024 to July 2026, 79.0% left on time, according to the US BTS.
- On-time departures79.0%of 592 flights
- Average delay11.6 min
- July 202646
- Cancelled2.5%
- Legs flown under this number18
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods18 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 27 | 36 | ▲ 33.3% |
| February | 13 | 27 | ▲ 107.7% |
| March | 10 | 31 | ▲ 210.0% |
| April | 30 | 30 | 0.0% |
| May | 31 | 40 | ▲ 29.0% |
| June | 8 | 46 | ▲ 475.0% |
| July | – | 46 | – |
| August | 26 | – | – |
| September | 6 | – | – |
| October | 19 | – | in progress |
| November | 55 | – | – |
| December | 49 | – | – |
according to the US BTS · November 2024 → July 2026
On-time departures by month
Months without data are left blank.
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods18 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 85.2% | 77.1% | ▼ 9.4% |
| February | 84.6% | 65.4% | ▼ 22.7% |
| March | 77.8% | 64.3% | ▼ 17.3% |
| April | 86.2% | 78.6% | ▼ 8.9% |
| May | 87.1% | 77.5% | ▼ 11.0% |
| June | 50.0% | 95.6% | ▲ 91.1% |
| July | – | 84.8% | – |
| August | 54.2% | – | – |
| September | 66.7% | – | – |
| October | 100.0% | – | in progress |
| November | 83.3% | – | – |
| December | 51.1% | – | – |
according to the US BTS · November 2024 → July 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · November 2024 → July 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods18 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 1 | – |
| February | 0 | 1 | – |
| March | 1 | 3 | ▲ 200.0% |
| April | 1 | 2 | ▲ 100.0% |
| May | 0 | 0 | – |
| June | 0 | 1 | – |
| July | – | 0 | – |
| August | 2 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 2 | – | – |
according to the US BTS · November 2024 → July 2026
This is a historical record of departures already flown, not a forecast for your flight.
Several legs: the headline figure averages all of them. See the leg table.
Cancellation share
- Not cancelled 97.5% 577
- Cancelled 2.5% 15
Share of all recorded flights in the period, all legs. · Nov 5, 2024 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
5| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| ORD IND Chicago O'Hare International Airport – Indianapolis International Airport | 286 | 16.5 min | 74.9% | 266 |
| ORD JAX Chicago O'Hare International Airport – Jacksonville International Airport | 1,393 | -1.4 min | 94.6% | 56 |
| JAX ORD Jacksonville International Airport – Chicago O'Hare International Airport | 1,393 | 5.8 min | 87.3% | 56 |
| ORF ORD Norfolk International Airport – Chicago O'Hare International Airport | 1,152 | 14.6 min | 68.2% | 45 |
| ORD ORF Chicago O'Hare International Airport – Norfolk International Airport | 1,152 | 13.8 min | 72.7% | 44 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| November 2024 | 50 | 50 | 96.0% | 0 |
| December 2024 | 12 | 12 | 75.0% | 0 |
| January 2025 | 27 | 27 | 85.2% | 0 |
| February 2025 | 13 | 13 | 84.6% | 0 |
| March 2025 | 10 | 9 | 77.8% | 1 |
| April 2025 | 30 | 29 | 86.2% | 1 |
| May 2025 | 31 | 31 | 87.1% | 0 |
| June 2025 | 8 | 8 | 50.0% | 0 |
| August 2025 | 26 | 24 | 54.2% | 2 |
| September 2025 | 6 | 6 | 66.7% | 0 |
| October 2025 | 19 | 19 | 100.0% | 0 |
| November 2025 | 55 | 54 | 83.3% | 1 |
| December 2025 | 49 | 47 | 51.1% | 2 |
| January 2026 | 36 | 35 | 77.1% | 1 |
| February 2026 | 27 | 26 | 65.4% | 1 |
| March 2026 | 31 | 28 | 64.3% | 3 |
| April 2026 | 30 | 28 | 78.6% | 2 |
| May 2026 | 40 | 40 | 77.5% | 0 |
| June 2026 | 46 | 45 | 95.6% | 1 |
| July 2026 | 46 | 46 | 84.8% | 0 |